2003101231312 has 80 divisors (see below), whose sum is σ = 4062532838400. Its totient is φ = 955675100160.

The previous prime is 2003101231249. The next prime is 2003101231357. The reversal of 2003101231312 is 2131321013002.

It is a self number, because there is not a number n which added to its sum of digits gives 2003101231312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15784498 + ... + 15910894.

It is an arithmetic number, because the mean of its divisors is an integer number (50781660480).

Almost surely, 2^{2003101231312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003101231312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031266419200).

2003101231312 is an abundant number, since it is smaller than the sum of its proper divisors (2059431607088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003101231312 is a wasteful number, since it uses less digits than its factorization.

2003101231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126884 (or 126878 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2003101231312 its reverse (2131321013002), we get a palindrome (4134422244314).

The spelling of 2003101231312 in words is "two trillion, three billion, one hundred one million, two hundred thirty-one thousand, three hundred twelve".